INSECTS AISD DISEASES OF THE PEACH 



1103 



cavity and flows out in large masses around the crown of the 

 tm-s. They become mature during tin 1 summer ami crawl out of 

 the bark close to the surface of the soil or the exudation, spin a 

 cocoon of web and borings, and there pass into the pupa stage 



I 



FIG. 350. Tin; LESSER PEACH BORER AND THE PEACH-TREE BORER 

 (o and 6) Male and female of the lesser peach borer (Synanthedon pictipes G. & R.). 

 (c to h) Various views of the stages of the peach-tree borer: (o) larva; (d) pupa in 

 case (e) empty cocoon; (/) pupa skin; (g) adult males; (h) adult females 



(Fig. 350, d), soon to emerge as adult moths. According to 

 Slingerland very few moths emerge before July first, and they 

 mostly appear from July 15 to August 15. In 1905, Professor 

 A. L. Quaintance* reports that Mr. Johnson found the period of 

 * Reprint, Yearbook, U. S. Dept. of Agr. 1905. 



